Muse Spark 1.3: what it costs to run
The price Meta lists for Muse Spark 1.3, what a support reply, a document summary and an agent task cost at it, and where that puts it among 37 models.
US dollars per million tokens, standard rate, shortest context band.
- 1,000 support replies
- $5.45
- Cached input
- $0.15
- Context window
- 1,048,576 tokens
- Released
- Not published
- Weights
- Closed
From Meta’s own pages, 22 September 2026.
Muse Spark 1.3 costs $1.25 per million input tokens and $4.25 per million output tokens on Meta’s own API, and $0.15 for cached input. At those prices 1,000 support replies cost $5.45, the 16th most expensive of 33 priced models on our list.
What a job costs
Three jobs, 1,000 runs of each, at the list price above, and where each puts Muse Spark 1.3 among the 33 models with a list price.
| Job | 1,000 runs | Among 33 |
|---|---|---|
| Support reply3,000 in, 400 out. | $5.45 | 16th most expensive |
| Document summary25,000 in, 1,000 out. | $35.50 | 16th most expensive |
| Agent task80,000 in (70,000 cached), 3,000 out. | $35.75 | 17th most expensive |
The token counts are ours, chosen to look like real work; the prices are Meta’s. All three jobs stay under 200,000 tokens a request, below every long-context surcharge on the list.
The small print
What the base rate above leaves out, copied from the maker’s pages: surcharges, discounts, promotions and cache pricing.
Standard tier; no long-context premium. A Contributor tier (muse-spark-1.3-contributor, Meta may train on your data) costs $0.10 / $0.20, cached $0.002. Web search grounding $2.50 per 1,000 queries. Release date not stated on the official pages.
Muse Spark 1.3 against the models it is weighed with
Each comparison puts both list prices side by side and costs the same three jobs on each.
- vs GPT-5.6 Sol
- Meta's hosted flagship against OpenAI's everyday frontier model at roughly a quarter of the price.
- vs Grok 4.7
- Two newer frontier entrants with low list prices, compared for general business work.
Other Meta models
| Model | Input | Output | Context | 1,000 replies |
|---|---|---|---|---|
| Muse Glimmer 30BMeta · open weights | No list price | · | 128K | · |
| Llama 4 MaverickMeta · open weights | No list price | · | 1M | · |
Where the price comes from
Read on 22 September 2026. Each price is the standard rate for the shortest context band, with no batch or priority discount; long-context surcharges, batch rates and promotions are in each model’s small print. No price was taken from a reseller.
Pay a quarter of list price
AIGROW API credit is metered at the makers’ list prices, and $25 buys $100 of usage. The credit page lists the models it covers; ask about any other before buying.
Prices checked 22 September 2026